<assign>

An <assign> element sets a variable value.

Syntax

<assign expr="varval"
        name="var" />

Attributes

expr

The new value of the variable.

name

The name of the variable being assigned to. The corresponding variable must have been previously declared otherwise an error.semantic event is thrown. By default, the scope in which the variable is resolved is the closest enclosing scope of the currently active element. To remove ambiguity, the variable name may be prefixed with a scope name.

Children

none

Parents

<block>, <catch>, <error>, <filled>, <help>, <if>, <noinput>, <nomatch>, and <prompt>.

Variables

none

Example

The following example illustrates setting variable values.

<assign name="flavor" expr="'chocolate'"/> 
<assign name="document.mycost" expr="document.mycost+14"/>

Version Information

Supported in: VoiceXML 1.0, VoiceXML 2.0, and VoiceXML 2.1.